10-11-2017, 10:43 AM | #1 |
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Canadian spec 540 wheel/tire query.
Hi there,
I am trying to help a family member figure out what winter tires they need for their 2017 540i xDrive. I believe it has the stock 19" rims at the moment (must be with 245/275 tires?). My suggestion to them is to throw on the winter tires on the same set of rims. My questions are; 1. Will a set of square 245/40R19 winter tires fit the front and back stock rims? My understanding is that ideally for winter square set ups are preferred, but I am not sure what the width of front and back rims is. 2. If going this route, they certainly won't need a new TPMS module correct? Do Canadian spec 540's even come with TPMS, as all other (example my m3 and 440 gran coupe) just had flat tire monitoring system and not actual TPMS. So when I threw on a aftermarket winter/rim set on mine I didn't need TPMS. I know if in this case they aren't getting an aftermarket rim set it doesn't matter but I am curious to know. Thank you guys. |
10-11-2017, 10:55 AM | #2 | |
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I've got 245/40/19 winters all around on my 8.5" and 9" wide F10 OEM wheels. So the 245/40/19 tires will fit both the 8" and 9" wide wheels.
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10-11-2017, 12:23 PM | #3 | |
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10-11-2017, 08:47 PM | #4 | |
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The other thing I discovered is the set that he currently has (OEM) is actually 20" and not 19" like he told me initially (that's how much he knows about this stuff). So if purchasing just tires he would be looking at 20" winter tires. Do you know how wide the front and back 20" rims on these vehicles are? And if a set of 245/35R20 tires will fit both the front and back in a square set up for winter? Thanks |
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10-11-2017, 11:28 PM | #5 |
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Width of 20" OEM wheels are also 8" front and 9" rear.
245/35 square set up does work on the 20" OEM wheels
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10-11-2017, 11:33 PM | #6 | |
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10-12-2017, 12:27 AM | #7 | ||
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10-12-2017, 01:06 AM | #8 |
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Having dedicated winter wheels eliminates the risk of damaging tires (and maybe the rims) due to frequent demounting and mounting, saves from labor cost (demounting/mounting tires) and therefore may be cheaper in the long run if you buy inexpensive winter wheels. And of course, it is more convenient.
At least, these are reasons I can think of. I am also trying to decide what to do at the moment. I currently run OEM 20" and have a set of OEM 18" Wise thing is to put winter tires on the 18"s and use them for winter. However, I will probably put winter tires on the 20"s and run them also in winter as the 18"s look too small for G30
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10-12-2017, 01:10 PM | #9 | |
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10-12-2017, 10:01 PM | #10 |
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Thanks for the input everyone. All things considering, for his needs I think a square set-up of 245/35R20 will do the trick. He won't keep the car longer than 3 years for sure so the cost of having the tires taken off and put on doesn't make too substantial of a difference. He does always buys 5 series (I think he's on his 6th if not more) so the separate set could be used in the future but then they keep changing that around based on facelifts and newer versions and what not. Thanks everyone.
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